212029141 has 2 divisors, whose sum is σ = 212029142. Its totient is φ = 212029140.

The previous prime is 212029109. The next prime is 212029171. The reversal of 212029141 is 141920212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155102116 + 56927025 = 12454^2 + 7545^2 .

It is a cyclic number.

It is not a de Polignac number, because 212029141 - 2⁵ = 212029109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212029171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106014570 + 106014571.

It is an arithmetic number, because the mean of its divisors is an integer number (106014571).

Almost surely, 2^212029141 is an apocalyptic number.

It is an amenable number.

212029141 is a deficient number, since it is larger than the sum of its proper divisors (1).

212029141 is an equidigital number, since it uses as much as digits as its factorization.

212029141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 212029141 is about 14561.2204502233. The cubic root of 212029141 is about 596.3005152730.

Adding to 212029141 its reverse (141920212), we get a palindrome (353949353).

The spelling of 212029141 in words is "two hundred twelve million, twenty-nine thousand, one hundred forty-one".